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74LCXH16244MEA датащи(PDF) 1 Page - Fairchild Semiconductor |
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74LCXH16244MEA датащи(HTML) 1 Page - Fairchild Semiconductor |
1 / 9 page © 2000 Fairchild Semiconductor Corporation DS500248 www.fairchildsemi.com September 2000 Revised September 2000 74LCXH16244 Low Voltage 16-Bit Buffer/Line Driver with Bushold General Description The LCXH16244 contains sixteen non-inverting buffers with 3-STATE outputs designed to be employed as a mem- ory and address driver, clock driver, or bus oriented trans- mitter/receiver. The device is nibble controlled. Each nibble has separate 3-STATE control inputs which can be shorted together for full 16-bit operation. The LCXH16244 data inputs include active bushold cir- cuitry, eliminating the need for external pull-up resistors to hold unused or floating data inputs at a valid logic level. The LCXH16244 is designed for low voltage (2.5V or 3.3V) VCC applications with capability of interfacing to a 5V signal environment. The LCXH16244 is fabricated with an advanced CMOS technology to achieve high speed operation while maintain- ing CMOS low power dissipation. Features s 5V tolerant control inputs and outputs s 2.3V–3.6V VCC specifications provided s 4.5 ns tPD max (VCC = 3.0V), 20 µA ICC max s Bushold on inputs eliminates the need for external pull-up/pull-down resistors s Power down high impedance inputs and outputs s ±24 mA output drive (V CC = 3.0V) s Implements patented noise/EMI reduction circuitry s Latch-up performance exceeds 500 mA s ESD performance: Human body model > 2000V Machine model > 200V Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Logic Symbol Pin Descriptions Order Number Package Number Package Description 74LCXH16244MEA MS48A 48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300 Wide 74LCXH16244MTD MTD48 48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide Pin Names Description OEn Output Enable Input (Active LOW) I0–I15 Bushold Inputs O0–O15 Outputs |
Аналогичный номер детали - 74LCXH16244MEA |
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Аналогичное описание - 74LCXH16244MEA |
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